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Finding the Fourth Proportional to 336,096.70, 504,145.05 and 86,778.70

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Solution

The fourth proportional to 336,096.70, 504,145.05 and 86,778.70 is: 130,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,096.70 : 504,145.05 = 86,778.70 : x
  2. Step 2: Convert to fraction form
    336,096.70/504,145.05 = 86,778.70/x
  3. Step 3: Cross multiply
    336,096.70x = 504,145.05 × 86,778.70
  4. Step 4: Simplify right side
    336,096.70x = 43,749,052,050.44
  5. Step 5: Solve for x
    x = 43,749,052,050.44/336,096.70
  6. Step 6: Final answer
    x = 130,168.05

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